What is the low beam headlight bulb size for a 2021 Hyundai Accent?

The 2021 Hyundai Accent uses a H4 bulb for the low beam headlights. We recommend upgrading to LED for better visibility.

What is the high beam headlight bulb size for a 2021 Hyundai Accent?

The high beam bulb size for the 2021 Hyundai Accent is 9005 LED.

Why are my 2021 Hyundai Accent headlights dim?

Dim headlights on a 2021 Hyundai Accent can be caused by aging halogen bulbs, which lose brightness over time, or oxidation (cloudiness) on the plastic headlight lenses. Upgrading to a H4 LED conversion kit can provide a significantly brighter and whiter light output.

Which bulb fits the 2021 Hyundai Accent fog light?

The 2021 Hyundai Accent uses a 9006 LED bulb for the fog light position.

Is the 2021 Hyundai Accent single or dual beam?

The 2021 Hyundai Accent uses a dual bulb headlight system. This means you have separate bulbs for high and low beams.

Can I install LED bulbs on my 2021 Hyundai Accent?

Yes, the 2021 Hyundai Accent comes with standard halogen bulbs from the factory, but they can be upgraded to LED. You will need a H4 LED conversion kit for the low beams.

Does the 2021 Hyundai Accent have fog lights?

Yes, the 2021 Hyundai Accent takes a 9006 LED bulb for the fog light position.

Did the 2021 Hyundai Accent change headlight bulb sizes from the previous year?

No — the 2021 Hyundai Accent uses the same bulb sizes as the 2020 model. This configuration has been consistent across the 2019–2022 generation.

How do I change the headlight on a 2021 Hyundai Accent?

Turn off the vehicle and open the hood. Locate the headlight assembly from behind, remove the dust cover or retaining clip, disconnect the wiring harness, twist the old H4 bulb counter-clockwise to remove it, then insert the new bulb and reassemble. The whole process typically takes 10 to 30 minutes per side depending on accessibility.

Are LED headlights legal for a 2021 Hyundai Accent?

LED bulbs used off-road or in auxiliary lights are legal everywhere. For on-road headlight use, legality varies by state. Many states allow LED retrofits as long as the beam pattern meets DOT standards. For the best legal compliance, choose a DOT-approved H4 LED kit that is designed as a direct replacement and produces a proper cutoff pattern without excessive glare.

How much does it cost to replace 2021 Hyundai Accent headlights?

A pair of halogen H4 bulbs costs $15 to $40, while LED conversion kits run $25 to $60 per pair. If you have a shop do the work, expect an additional $20 to $50 in labor per bulb. Replacing them yourself at home saves the labor cost and usually takes under 30 minutes.

What is the difference between halogen and LED for a 2021 Hyundai Accent?

Halogen bulbs produce a warm yellow light (around 3200K), last 500 to 1000 hours, and draw more power. LED bulbs emit a brighter white light (5000-6000K), last 25,000+ hours, and use less energy. LED upgrades for the H4 position are available as direct plug-and-play replacements.

The 2021 Hyundai Accent shares its bulb sizes with the 2019–2022 generation.

Fitment Guaranteed for 2021 Hyundai Accent

What Size Bulbs Does a 2021 Hyundai Accent Use?

Correct headlight, fog light, and tail light bulb sizes. Sourced from OEM catalog data.

Installation Difficulty

Moderate (Dust covers often present)

Est. Replacement Cost

$15 - $40 (Halogen) / $30+ (LED)

What Lighting System Does the 2021 Hyundai Accent Have?

When it comes to nighttime visibility, the 2021 Hyundai Accent relies on an arrangement of 13 specialized bulbs. It features an extensive lighting system powered by a dual-bulb halogen configuration using separate H4 low beam and 9005 LED high beam bulbs for precise light distribution. This model belongs to the late years of the Accent's 1995-2022 production span.

Can You Put LED Bulbs in a 2021 Hyundai Accent?

Upgrading to LED is one of the most effective ways to modernize your Hyundai's appearance and safety profile. We recommend starting your upgrade with the H4 low beams, as they see the most use. Adding a matching 9005 LED LED kit later will complete the look and ensure consistent lighting performance. Don't forget the 9006 LED fog lights; switching these to LED can dramatically improve your visibility in adverse weather.

2021 Hyundai Accent Bulb Size Chart

Position	Bulb Size	Shop
Low Beam	H4	Buy H4 →
High Beam	9005 LED	Buy 9005 LED →
Fog Light	9006 LED	Buy 9006 LED →
Brake Light	921 LED	Buy 921 LED →
Side Marker	2825 LED	Buy 2825 LED →
Turn Signal Front	12496 LED	Buy 12496 LED →
Turn Signal Rear	1156A LED	Buy 1156A LED →
Reverse Light	921	Buy 921 →
Dome Light	DE3175	Buy DE3175 →
License Plate	2825	Buy 2825 →
Map Light	175	Buy 175 →
Parking Light	2357NA	Buy 2357NA →
Trunk Light	2825	Buy 2825 →